某火电#1机组锅炉掉焦导致MFT事件的分析与防范  

Analysis and Prevention of MFT Event Caused by Boiler Coke Dropping in Unitl of Certain Thermal Power Plant

作　　者：林闽城 LIN Mincheng(Ningxia Zaoquan Power Generation Co.,Ltd.,Yinchuan,Ningxia 750409,China)

机构地区：[1]宁夏枣泉发电有限责任公司,宁夏银川750409

出　　处：《自动化应用》2024年第9期197-199,202,共4页Automation Application

摘　　要：以实际案例介绍了因经济煤种掺烧配比不合适,低负荷下进行炉膛吹灰引起炉膛掉焦,最终导致火检信号全失,触发MFT的事件。通过分析整个事件经过,找出事件原因,梳理暴露出的问题,并提出相应的防范措施,为采用同类型的锅炉的电厂运行维护提供参考。In this paper,a case study of an MFT event triggered by the loss of fire detection signal due to inappropriate blending of economic coal types and the coke dropping in the furnace ash blowing under low load.By analyzing the whole event,finding out the cause of the event,sorting out the exposed problems and proposing corresponding preventive measures,to provide reference for the operation and maintenance of power plants with the same type of boilers.

关 键 词：煤种掺烧 吹灰 掉焦 MFT 火检 

分 类 号：TM621[电气工程—电力系统及自动化]